CaratHunter
Plans
Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG729520612

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG729520612

Diamond specifications and retailer prices

From $518 NZD
As of November 4, 2026
Save $4,520 NZD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,038 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG729520612 or 729520612. Listed at 24 retailers as of November 4, 2026, with prices from $518 to $5,038, a $4,520 spread on the same certified stone. Do Amore Diamonds lists it at $5,038. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.6°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729520612
Dimensions5.30 × 5.30 × 3.34 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.30 mm5.30 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729520612
Side View
Table 62.0%Crown 48.6°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,251 NZD|Low: $497 NZD|High: $2,867 NZD|Avg: $1,424 NZD|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 3$518 NZD
Retailer 4$640 NZD
Retailer 7$805 NZD
Retailer 2$922 NZD
Retailer 9$1,221 NZD
Retailer 11$1,242 NZD
Retailer 1$1,251 NZD
Retailer 8$1,739 NZD
Retailer 10$1,864 NZD
Retailer 12$1,969 NZD
Retailer 13$1,971 NZD
Retailer 5$2,276 NZD
Retailer 6$2,830 NZD

38 data points across 13 retailers

24 retailers$518 NZD to $5,038 NZD

A
Cheapest Retailer
-
$518 NZD
A
Retailer 2
-
$578 NZD
View
Final sale: no returns
A
Retailer 3
-
$600 NZD
View
A
Retailer 4
-
$640 NZD
View
Retailer 5
-
$640 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$804 NZD
View
A
Retailer 7
-
$805 NZD
View
A
Retailer 8
-
$857 NZD
View
A
Retailer 9
-
$922 NZD
View
A
Retailer 10
-
$922 NZD
View
B+
Retailer 11
-
$1,221 NZD
View
B+
Retailer 12
-
$1,242 NZD
View
B+
Retailer 13
-
$1,251 NZD
View
B+
Retailer 14
-
$1,739 NZD
View
B+
Retailer 15
-
$1,864 NZD
View
Retailer 16
-
$1,969 NZD
View
Price last confirmed 18 days ago
B
Retailer 17
-
$1,971 NZD
View
B
Retailer 18
-
$2,276 NZD
View
B
Retailer 19
-
$2,562 NZD
View
B
Retailer 20
-
$2,627 NZD
View
B
Retailer 21
-
$2,757 NZD
View
B
Retailer 22
-
$2,830 NZD
View
B
Retailer 23
-
$4,595 NZD
View
Most Expensive
B
Do Amore Diamonds
23-729520612 · Nov 4
$5,038 NZD
$2,840 USD
View
23 more retailers have this diamond
Prices start from $518 NZDSave up to $4,520 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.28ct Radiant
$518 NZD